diff --git a/changelog.md b/changelog.md
index e095effb..f9664c94 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,7 +1,14 @@
 # Changelog
 
 
-## Version 2.2 (17.01.2024)
+## DEV-branch
+
+* 27.09.2024: PlatformIO package 6.9.0
+
+
+
+
+## Version 2.3 (23.09.2024)
 
 * 19.09.2024: Document the virtual cards in the UI #333, thanks to @caco3 !
 * 18.09.2024: Re-designed tools page (#337), thanks to @caco3 !
diff --git a/platformio.ini b/platformio.ini
index 1e0cef45..ffe8b074 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -16,7 +16,7 @@ default_envs = lolin_d32_pro_sdmmc_pe
 board_build.flash_mode = qio
 board_build.bootloader = dio
 board_build.partitions = custom_4mb_noota.csv
-platform = espressif32@^6.8.1
+platform = espressif32@^6.9.0
 ;platform = espressif32
 ;framework = arduino
 framework = arduino, espidf
diff --git a/src/revision.h b/src/revision.h
index dc3dfd45..c61b518e 100644
--- a/src/revision.h
+++ b/src/revision.h
@@ -1,4 +1,4 @@
 #pragma once
 
 #include "gitrevision.h"
-constexpr const char softwareRevision[] = "Software-revision: 20240919-1-DEV";
\ No newline at end of file
+constexpr const char softwareRevision[] = "Software-revision: 20240927-1-DEV";